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walex

3.8.0
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Listen to change events on your Postgres tables then perform callback-like actions with the data.

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walex test support test_helpers.ex
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test/support/test_helpers.ex 

defmodule WalEx.Support.TestHelpers do

  def find_worker_pid(supervisor_pid, child_module) do

    supervisor_pid

    |> Supervisor.which_children()

    |> find_pid(child_module)

  end



  defp find_pid(children, module_name) do

    {_, pid, _, _} = Enum.find(children, fn {module, _, _, _} -> module == module_name end)

    pid

  end



  def update_user(database_pid) do

    update_user = """

      UPDATE \"user\" SET age = 30 WHERE id = 1

    """



    Postgrex.query!(database_pid, update_user, [])

  end

end